content: Move all listeners of NOTIFICATION_RENDER_VIEW_HOST_CREATED out of content.

chrome/test/base/test_tab_strip_model_observer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_TEST_BASE_TEST_TAB_STRIP_MODEL_OBSERVER_H_
 #define CHROME_TEST_BASE_TEST_TAB_STRIP_MODEL_OBSERVER_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "content/public/test/test_navigation_observer.h"
 
 class TabStripModel;
 
+namespace content {
+class JsInjectionReadyObserver;
+}
+
 // In order to support testing of print preview, we need to wait for the
 // constrained window to block the current tab, and then observe notifications
 // on the newly added tab's controller to wait for it to be loaded.
 // To support tests registering javascript WebUI handlers, we need to inject
 // the framework & registration javascript before the webui page loads by
 // calling back through the TestTabStripModelObserver::LoadStartObserver when
 // the new page starts loading.
 class TestTabStripModelObserver : public content::TestNavigationObserver,
                                   public TabStripModelObserver {
  public:
   // Observe the |tab_strip_model|, which may not be NULL. If
   // |load_start_observer| is non-NULL, notify when the page load starts.
   TestTabStripModelObserver(
       TabStripModel* tab_strip_model,
       content::JsInjectionReadyObserver* js_injection_ready_observer);
   virtual ~TestTabStripModelObserver();
 
  private:
+  class RenderViewHostInitializedObserver;
+
+  // content::NotificationObserver:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
   // Callback to observer the print preview dialog associated with |contents|.
   void ObservePrintPreviewDialog(content::WebContents* contents);
 
   // TabStripModelObserver:
   virtual void TabBlockedStateChanged(content::WebContents* contents,
                                       int index) OVERRIDE;
 
   // |tab_strip_model_| is the object this observes. The constructor will
   // register this as an observer, and the destructor will remove the observer.
   TabStripModel* tab_strip_model_;
 
+  // RenderViewHost watched for JS injection.
+  scoped_ptr<RenderViewHostInitializedObserver> rvh_observer_;
+
+  content::JsInjectionReadyObserver* injection_observer_;
+
+  content::NotificationRegistrar registrar_;
+
   DISALLOW_COPY_AND_ASSIGN(TestTabStripModelObserver);
 };
 
 #endif  // CHROME_TEST_BASE_TEST_TAB_STRIP_MODEL_OBSERVER_H_